Remove jam and darin from src/chrome/OWNERS.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/645223008

Cr-Commit-Position: refs/heads/master@{#301102}

chrome/OWNERS

@@ -8,10 +8,6 @@ sky@chromium.org
 thakis@chromium.org
 thestig@chromium.org
 
-# Just owners:
-darin@chromium.org
-jam@chromium.org
-
 # per-file rules:
 # These are for the common case of adding or renaming files. If you're doing
 # structural changes, please get a review from a reviewer in this file.